mathperson8867 mathperson8867

21-10-2021
Physics

contestada

when the speed of a moving car is doubled, how much more kinetic energy does it have?

Respuesta :

rspill6 rspill6

27-10-2021

Answer: 4 times

Explanation:

KE1 = (1/2)mv^2

KE2 = (1/2)m(2v)^2 or (1/2)m*4v^2

KE2/KE1 = ((1/2)m*4v^2)/((1/2)mv^2) = 4 times

Answer Link

Otras preguntas

which expressions are equivalent to the one below check that all apply 25^x/5^x A.5^x B.5 C(25/5)^x D.5^x*5^x/5^x E.(25-5)^x F.25^x

Explain Roosevelt’s New Deal. How did this program attempt to resolve the crisis of the Great Depression?

Wich was an area of agreement between Abraham Lincoln and Jefferson Davis

1/5 divided by 2/12????

what is the value of d to the nearest tenth

Abc airlines hires flight attendants from diverse backgrounds and puts them through an extensive training and orientation program before they are approved to fl

Which type of rock would form from a lava following a volcanic eruption

Match the following numbers with the correct number of significant digits they possess. Answers may repeat. (4 points) ( )172 ( )450.0 x 10^3 ( )3427 ( )0.0000

When Christopher Columbus reached land why did he refer to the people he encountered as Indians

The value for the area A of each figure is given. Write and solve a compound inequality for the value of x in each figure. Help me plz.